挣脱 (zhèngtuō) is a compound verb meaning 'to break free from' or 'to wrench oneself loose from' something that is holding, restraining, or confining one. The first character 挣 (zhèng) conveys effort, struggle, or exertion — often physical — while 脱 (tuō) means 'to remove', 'to shed', or 'to detach'. Together, they emphasize active, forceful liberation from a constraint: ropes, chains, a grip, a trap, or even abstract pressures like fear or habit.

This word is commonly used in contexts involving physical restraint — especially with animals trying to escape enclosures or handlers — but also appears in literary or emotional descriptions (e.g., breaking free from sorrow or oppression). It carries a sense of urgency and resistance; the subject must actively resist and overcome the binding force. It is not used for gentle or passive separation — for that, words like 离开 (líkāi) or 解除 (jiěchú) are more appropriate.